repoman: Fix unsafe string interpolation.

"on line: %d" etc. is no longer included in messages returned from individual checks.
"line %d: " is now consistently added by controller directly after ebuild path
and precedes specific message.

Example:
   app-misc/test/test-0.ebuild: line 5: please migrate from 'games' (no replacement)
   app-misc/test/test-0.ebuild: line 5: please migrate from 'versionator' to 'eapi7-ver (built-in since EAPI 7)'
   app-misc/test/test-0.ebuild: line 10: Useless blank line
   app-misc/test/test-0.ebuild: line 20: 'econf' call should be moved to src_configure

Bug: https://bugs.gentoo.org/699508
Signed-off-by: Arfrever Frehtes Taifersar Arahesis <Arfrever@Apache.Org>
Signed-off-by: Zac Medico <zmedico@gentoo.org>

11 files changed, 30 insertions, 36 deletions

diff --git a/repoman/lib/repoman/modules/linechecks/base.py b/repoman/lib/repoman/modules/linechecks/base.py
index 4e3d6f0b4..39d7ebd78 100644
--- a/repoman/lib/repoman/modules/linechecks/base.py
+++ b/repoman/lib/repoman/modules/linechecks/base.py
@@ -88,9 +88,8 @@ class InheritEclass(LineCheck):
 				if eapi_func is None or not eapi_func(self._eapi):
 					self._func_call = True
 					return (
-						'%s.eclass is not inherited, '
-						'but "%s" found at line: %s' %
-						(self._eclass, func_name, '%d'))
+						'%s.eclass not inherited, but "%s" called' %
+						(self._eclass, func_name))
 		elif not self._func_call:
 			self._func_call = self._func_re.search(line)
 
diff --git a/repoman/lib/repoman/modules/linechecks/controller.py b/repoman/lib/repoman/modules/linechecks/controller.py
index 7082a5d02..a3dfd9bd1 100644
--- a/repoman/lib/repoman/modules/linechecks/controller.py
+++ b/repoman/lib/repoman/modules/linechecks/controller.py
@@ -74,7 +74,7 @@ class LineCheckController(object):
 	def run_checks(self, contents, pkg):
 		'''Run the configured linechecks
 
-		@param contents: the ebjuild contents to check
+		@param contents: the ebuild contents to check
 		@param pkg: the package being checked
 		'''
 		if self._constant_checks is None:
@@ -134,9 +134,13 @@ class LineCheckController(object):
 					if lc.check_eapi(pkg.eapi):
 						ignore = lc.ignore_line
 						if not ignore or not ignore.match(line):
-							e = lc.check(num, line)
-							if e:
-								yield lc.repoman_check_name, e % (num + 1)
+							errors = lc.check(num, line)
+							if errors:
+								if isinstance(errors, (tuple, list)):
+									for error in errors:
+										yield lc.repoman_check_name, "line %d: %s" % (num + 1, error)
+								else:
+									yield lc.repoman_check_name, "line %d: %s" % (num + 1, errors)
 
 		for lc in checks:
 			i = lc.end()
diff --git a/repoman/lib/repoman/modules/linechecks/deprecated/inherit.py b/repoman/lib/repoman/modules/linechecks/deprecated/inherit.py
index 361da09b9..9cef086da 100644
--- a/repoman/lib/repoman/modules/linechecks/deprecated/inherit.py
+++ b/repoman/lib/repoman/modules/linechecks/deprecated/inherit.py
@@ -37,9 +37,6 @@ class InheritDeprecated(LineCheck):
 
 	_inherit_re = re.compile(r'^\s*inherit\s(.*)$')
 
-	def new(self, pkg):
-		self._errors = []
-
 	def check(self, num, line):
 		direct_inherits = None
 		m = self._inherit_re.match(line)
@@ -51,20 +48,17 @@ class InheritDeprecated(LineCheck):
 		if not direct_inherits:
 			return
 
+		errors = []
 		for eclass in direct_inherits:
 			replacement = self.deprecated_eclasses.get(eclass)
 			if replacement is None:
 				pass
 			elif replacement is False:
-				self._errors.append(
+				errors.append(
 					"please migrate from "
-					"'%s' (no replacement) on line: %d" % (eclass, num + 1))
+					"'%s' (no replacement)" % eclass)
 			else:
-				self._errors.append(
+				errors.append(
 					"please migrate from "
-					"'%s' to '%s' on line: %d" % (eclass, replacement, num + 1))
-
-	def end(self):
-		for error in self._errors:
-			yield error
-		del self._errors
+					"'%s' to '%s'" % (eclass, replacement))
+		return errors
diff --git a/repoman/lib/repoman/modules/linechecks/do/dosym.py b/repoman/lib/repoman/modules/linechecks/do/dosym.py
index c342d3595..d1aed74d7 100644
--- a/repoman/lib/repoman/modules/linechecks/do/dosym.py
+++ b/repoman/lib/repoman/modules/linechecks/do/dosym.py
@@ -15,4 +15,4 @@ class EbuildNonRelativeDosym(LineCheck):
 	def check(self, num, line):
 		match = self.regex.match(line)
 		if match:
-			return "dosym '%s'... could use relative path" % (match.group(1), ) + " on line: %d"
+			return "dosym '%s'... could use relative path" % match.group(1)
diff --git a/repoman/lib/repoman/modules/linechecks/eapi/checks.py b/repoman/lib/repoman/modules/linechecks/eapi/checks.py
index de899c061..c53ca3832 100644
--- a/repoman/lib/repoman/modules/linechecks/eapi/checks.py
+++ b/repoman/lib/repoman/modules/linechecks/eapi/checks.py
@@ -19,7 +19,7 @@ class UndefinedSrcPrepareSrcConfigurePhases(LineCheck):
 		m = self.src_configprepare_re.match(line)
 		if m is not None:
 			return ("'%s'" % m.group(1)) + \
-				" phase is not defined in EAPI < 2 on line: %d"
+				" phase is not defined in EAPI < 2"
 
 
 # EAPI-3 checks
@@ -34,7 +34,7 @@ class Eapi3DeprecatedFuncs(LineCheck):
 		m = self.deprecated_commands_re.match(line)
 		if m is not None:
 			return ("'%s'" % m.group(1)) + \
-				" has been deprecated in EAPI=3 on line: %d"
+				" has been deprecated in EAPI=3"
 
 
 # EAPI <4 checks
@@ -49,7 +49,7 @@ class UndefinedPkgPretendPhase(LineCheck):
 		m = self.pkg_pretend_re.match(line)
 		if m is not None:
 			return ("'%s'" % m.group(1)) + \
-				" phase is not defined in EAPI < 4 on line: %d"
+				" phase is not defined in EAPI < 4"
 
 
 # EAPI-4 checks
@@ -64,7 +64,7 @@ class Eapi4IncompatibleFuncs(LineCheck):
 		m = self.banned_commands_re.match(line)
 		if m is not None:
 			return ("'%s'" % m.group(1)) + \
-				" has been banned in EAPI=4 on line: %d"
+				" has been banned in EAPI=4"
 
 
 class Eapi4GoneVars(LineCheck):
@@ -80,4 +80,4 @@ class Eapi4GoneVars(LineCheck):
 		m = self.undefined_vars_re.match(line)
 		if m is not None:
 			return ("variable '$%s'" % m.group(1)) + \
-				" is gone in EAPI=4 on line: %d"
+				" is gone in EAPI=4"
diff --git a/repoman/lib/repoman/modules/linechecks/emake/emake.py b/repoman/lib/repoman/modules/linechecks/emake/emake.py
index e1e3e638e..e618872e0 100644
--- a/repoman/lib/repoman/modules/linechecks/emake/emake.py
+++ b/repoman/lib/repoman/modules/linechecks/emake/emake.py
@@ -20,4 +20,4 @@ class WantAutoDefaultValue(LineCheck):
 		m = self._re.match(line)
 		if m is not None:
 			return 'WANT_AUTO' + m.group(1) + \
-				' redundantly set to default value "latest" on line: %d'
+				' redundantly set to default value "latest"'
diff --git a/repoman/lib/repoman/modules/linechecks/phases/phase.py b/repoman/lib/repoman/modules/linechecks/phases/phase.py
index acc3a1e1d..74cf4608f 100644
--- a/repoman/lib/repoman/modules/linechecks/phases/phase.py
+++ b/repoman/lib/repoman/modules/linechecks/phases/phase.py
@@ -53,7 +53,7 @@ class SrcCompileEconf(PhaseCheck):
 			m = self.configure_re.match(line)
 			if m is not None:
 				return ("'%s'" % m.group(1)) + \
-					" call should be moved to src_configure from line: %d"
+					" call should be moved to src_configure"
 
 
 class SrcUnpackPatches(PhaseCheck):
@@ -68,4 +68,4 @@ class SrcUnpackPatches(PhaseCheck):
 			m = self.src_prepare_tools_re.search(line)
 			if m is not None:
 				return ("'%s'" % m.group(1)) + \
-					" call should be moved to src_prepare from line: %d"
+					" call should be moved to src_prepare"
diff --git a/repoman/lib/repoman/modules/linechecks/portage/internal.py b/repoman/lib/repoman/modules/linechecks/portage/internal.py
index 869337221..bc0564600 100644
--- a/repoman/lib/repoman/modules/linechecks/portage/internal.py
+++ b/repoman/lib/repoman/modules/linechecks/portage/internal.py
@@ -20,7 +20,7 @@ class PortageInternal(LineCheck):
 		"""Run the check on line and return error if there is one"""
 		m = self.re.match(line)
 		if m is not None:
-			return ("'%s'" % m.group(2)) + " called on line: %d"
+			return "'%s' called" % m.group(2)
 
 
 class PortageInternalVariableAssignment(LineCheck):
@@ -30,8 +30,5 @@ class PortageInternalVariableAssignment(LineCheck):
 
 	def check(self, num, line):
 		match = self.internal_assignment.match(line)
-		e = None
 		if match is not None:
-			e = 'Assignment to variable %s' % match.group(2)
-			e += ' on line: %d'
-		return e
+			return 'Assignment to variable %s' % match.group(2)
diff --git a/repoman/lib/repoman/modules/linechecks/quotes/quoteda.py b/repoman/lib/repoman/modules/linechecks/quotes/quoteda.py
index 7fd9ba797..5b68f301c 100644
--- a/repoman/lib/repoman/modules/linechecks/quotes/quoteda.py
+++ b/repoman/lib/repoman/modules/linechecks/quotes/quoteda.py
@@ -13,4 +13,4 @@ class EbuildQuotedA(LineCheck):
 	def check(self, num, line):
 		match = self.a_quoted.match(line)
 		if match:
-			return "Quoted \"${A}\" on line: %d"
+			return "Quoted \"${A}\""
diff --git a/repoman/lib/repoman/modules/linechecks/useless/dodoc.py b/repoman/lib/repoman/modules/linechecks/useless/dodoc.py
index 502bfbea8..3270af1a9 100644
--- a/repoman/lib/repoman/modules/linechecks/useless/dodoc.py
+++ b/repoman/lib/repoman/modules/linechecks/useless/dodoc.py
@@ -13,4 +13,4 @@ class EbuildUselessDodoc(LineCheck):
 	def check(self, num, line):
 		match = self.uselessdodoc_re.match(line)
 		if match:
-			return "Useless dodoc '%s'" % (match.group(2), ) + " on line: %d"
+			return "Useless dodoc '%s'" % match.group(2)
diff --git a/repoman/lib/repoman/modules/linechecks/whitespace/blank.py b/repoman/lib/repoman/modules/linechecks/whitespace/blank.py
index 2ab4097a3..1fa3eb2b9 100644
--- a/repoman/lib/repoman/modules/linechecks/whitespace/blank.py
+++ b/repoman/lib/repoman/modules/linechecks/whitespace/blank.py
@@ -14,7 +14,7 @@ class EbuildBlankLine(LineCheck):
 
 	def check(self, num, line):
 		if self.line_is_blank and self.blank_line.match(line):
-			return 'Useless blank line on line: %d'
+			return 'Useless blank line'
 		if self.blank_line.match(line):
 			self.line_is_blank = True
 		else: